Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934128 | Heat transfer tube having grooved inner surface | Masayoshi Takiura, Haruo Kohno, Shunroku Sukumoda | 1999-08-10 |
| 5791405 | Heat transfer tube having grooved inner surface | Masayoshi Takiura, Haruo Kohno, Shunroku Sukumoda | 1998-08-11 |
| 5510197 | Lead frame material and lead frame for semiconductor device | Shunji Takahashi, Rensei Futatsuka, Tetsuya Sugimoto, Takeshi Suzuki, Chuzo Azuma +2 more | 1996-04-23 |
| 5259448 | Heat transfer tubes and method for manufacturing | Shunroku Sukumoda | 1993-11-09 |
| 5052476 | Heat transfer tubes and method for manufacturing | Shunroku Sukumoda, Haruo Kohno | 1991-10-01 |